Finding the Fourth Proportional to 4,326,577.20, 6,489,865.80 and 3,641,608.80
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Solution
The fourth proportional to 4,326,577.20, 6,489,865.80 and 3,641,608.80 is: 5,462,413.20
Step by Step Solution
- Step 1: Write the proportion equation
4,326,577.20 : 6,489,865.80 = 3,641,608.80 : x - Step 2: Convert to fraction form
4,326,577.20/6,489,865.80 = 3,641,608.80/x - Step 3: Cross multiply
4,326,577.20x = 6,489,865.80 × 3,641,608.80 - Step 4: Simplify right side
4,326,577.20x = 23,633,552,408,099.04 - Step 5: Solve for x
x = 23,633,552,408,099.04/4,326,577.20 - Step 6: Final answer
x = 5,462,413.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.